- 磁极反转
- 地磁倒转
- 地磁反向
- 地磁反转
- 地磁逆转
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geomagnetic reversal中文什么意思
例句与用法
- The last geomagnetic reversal for earth was about 780 , 000 years ago
地球上最后一次地磁倒转大约是78万年前。
百科释义
A geomagnetic reversal is a change in the Earth's magnetic field such that the positions of magnetic north and magnetic south are interchanged. The Earth's field has alternated between periods of normal polarity, in which the direction of the field was the same as the present direction, and reverse polarity, in which the field was the opposite.
详细百科解释